Clear Keep, XKCD

First thing that drove me crazy when I moved to Silicon Valley:

The second was a few months after I arrived, when I found myself standing in the grocery store at 3 in the morning looking for a loaf of french bread, and unable to take it any longer, cried out,

"What is this, sourdough country?!?"

Naturally, the other late-night shoppers looked at the crazy Ohioan and gently nodded in the affirmative.